<template>
    <el-dropdown trigger="click" @command="handleSetSize">
        <div>
            <svg-icon class-name="size-icon" icon-class="size"/>
        </div>
        <el-dropdown-menu>
            <el-dropdown-item v-for="item of sizeOptions" :key="item.value" :command="item.value"
                              :disabled="size===item.value">
                {{ item.label }}
            </el-dropdown-item>
        </el-dropdown-menu>
    </el-dropdown>
</template>

<script>
export default {
    name: 'SizeSelect',
    data () {
        return {
            sizeOptions: [
                {label: '较大', value: 'default'},
                {label: '中等', value: 'medium'},
                {label: '较小', value: 'small'},
                {label: '迷你', value: 'mini'}
            ]
        }
    },
    computed: {
        size () {
            return this.$store.getters.size
        }
    },
    methods: {
        handleSetSize (size) {
            this.$ELEMENT.size = size
            this.$store.dispatch('app/setSize', size)
            this.refreshView()
            this.$message({
                message: 'Switch Size Success',
                type: 'success'
            })
        },
        refreshView () {
            // In order to make the cached page re-rendered
            this.$store.dispatch('tagsView/delAllCachedViews', this.$route)

            const {fullPath} = this.$route

            this.$nextTick(() => {
                this.$router.replace({
                    path: '/redirect' + fullPath
                })
            })
        }
    }

}
</script>
